why do the leaves keep falling off my garden red robin

It is a photinia. I have checked all the normal reasons (i.e. wet/dry soil, sunlight, seasonal temperature, drainage, clay soil, etc.) but all are ok.

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1 Comment To "why do the leaves keep falling off my garden red robin"

#1 Comment By theficuswrangler On 05/30/2014 @ 1:25 am

If you’re satisfied that the culture is on point, then the problem must be pest or pathogens. Here’s an article about a very common photinia disease: https://www.gardeningknowhow.com/ornamental/shrubs/photinia/photinia-leaf-spot.htm ^[1]
To find out what kind of a problem you have, take some leaf, branch, and soil samples to the nearest Extension Servcie for analysis and recommendation of treatment. This link will help you locate one: https://www.gardeningknowhow.com/extension-search/ ^[2]

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URLs in this post:

[1] https://www.gardeningknowhow.com/ornamental/shrubs/photinia/photinia-leaf-spot.htm: https://www.gardeningknowhow.com/ornamental/shrubs/photinia/photinia-leaf-spot.htm

[2] https://www.gardeningknowhow.com/extension-search/: https://www.gardeningknowhow.com/extension-search/

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